@unpublished{NazaikinskiiSchulzeSternin2008,
  author  = {Vladimir Nazaikinskii and Bert-Wolfgang Schulze and Boris Sternin},
  title   = {Quantization methods in differential equations : Chapter 11: Noncommutative analysis and high-frequency asymptotics},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2000) 20},
  year    = {2008},
}